AP Stats Units 1-5 Review

What is the mode?

• 88%

• 89%

• 97%

• 91%

How many students scored at least 4 points?

• 0

• 3

• 8

• 11

How many cities have temperatures between 70 degrees and 99 degrees?

• 44

• 34

• 26

• 62

Which of the follow measure the center of a symmetrical distribution? (select all that apply)

• Mean

• Median

• Mode

• Maximum

Which of the following measure the variability of a distribution? (select all that apply).

• Mean

• Median

• Range

• Standard Deviation

• IQR

If a distribution is skewed to the right with no outliers, which expression is correct?

• mean < median

• mean ≈ median

• mean = median

• mean > median

• We can't tell without examining the data

the percent of observations less than or equal to an individual

• Percentile

• Z-score

• Table A

• normalcdf

If I tell you that you scored at the 55th percentile on your final exam, you would know:

• 55% of the class scored the same or worse than you did

• You earned a 55% on the exam

• You failed the exam

• 45% of the class scored worse than you did

For Mrs. V: mean = 55 and standard deviation = 19 For Mr. T: mean = 33 and standard deviation = 10.5 Mary Beth is very proud of the score of 80 that she earned in Mrs. V's class. Albert is equally proud of the score of 42 he earned in Mr. T's class. Who has the better score?

• Mary Beth

• Albert

The sign of the z-score indicates whether the location is above(positive) or below(negative) the mean.

• True

• False